Asteroid 2025 Yr44. The threat from space rock 2024 yr4 has surpassed that of apophis, an asteroid feared by scientists 20 years ago. An asteroid travelling with enough speed to flatten a city will pass earth in 2032.
Each asteroid is unique, and deflection would depend on the asteroid’s size, physical properties, orbit, and discovery warning time. A recently discovered asteroid, named 2024 yr4, is now the riskiest asteroid ever detected.on tuesday, nasa calculated that the space rock had a 3.1% chance of hitting.